dtrace: add Documentation/dtrace_static_probes.txt

This is a directory of all static probes in the kernel tree.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>

diff --git a/Documentation/dtrace_static_probes.txt b/Documentation/dtrace_static_probes.txt
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+DTRACE STATIC PROBE POINTS DIRECTORY
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+======================================================================
+MISCELLANEOUS:
+
+__handle_sysrq:
+       any time that a sysrq key is used or someone does:
+               echo key > /proc/sysrq-trigger
+
+check_hung_task:
+       when check_hung_task() finds a task that has been blocked
+       for more than /proc/sys/kernel/hung_task_timeout_secs seconds
+
+oom_kill_process:
+       when the oom-killer is invoked
+
+======================================================================
+MODULES:
+
+init_module:
+       when a loadable module load is attempted
+
+delete_module:
+       when a loadable module unload is attempted
+
+======================================================================
+SIGNALS:
+
+get_signal_to_deliver:
+       when a fatal signal occurs, usually causing a core dump
+
+handle_signal:
+       (x86 only) when an application handles a signal
+
+signal_fault:
+       (x86 only) when an application does not handle a signal
+
+### END ###